The World of Metals and Non-metals — Practice Quiz
CBSE · Class 7 · Science
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Quick Quiz: The World of Metals and Non-metals
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Which property allows metals to be beaten into thin sheets?
What conditions are necessary for iron to rust?
The ringing sound produced when a metal coin is dropped is due to which property?
What happens when magnesium burns in air?
Sample Questions
Which of the following are good conductors of electricity?
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Copper, Iron, Aluminum
Copper, iron, and aluminum are metals and are good conductors of electricity. Sulfur and coal are non-metals and poor conductors.
Which of the following are characteristics of metals?
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Lustrous appearance, Good heat conductors, Malleable
Metals are lustrous, good conductors of heat, and malleable. They are not brittle - that's a property of non-metals like coal and sulfur.
Which property allows metals to be drawn into wires?
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Ductility
Ductility is the property that allows metals to be drawn into wires. This is why we have copper and aluminum wires for electrical fittings.
Which of the following are non-metals?
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Oxygen, Carbon, Sulfur
Oxygen, carbon, and sulfur are non-metals. They are poor conductors and don't show metallic properties. Iron and copper are metals.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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